Which of the following alkanes is used for road surfacing?
- AAlkanes with less than $10$ carbon atoms
- BAlkanes having $20$ to $25$ carbon atoms
- CAlkanes having $25$ to $30$ carbon atoms
- DAlkanes having more than $35$ carbon atoms
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Match the column $I$ with column $II$ to identify the products of oxidation of alkanes and mark the appropriate choice.
Column $I$ Column $II$ $A$. $(CH_3)_3CH + O_2 \xrightarrow{KMnO_4} (CH_3)_3COH$ $i$. $CH_3COOH + H_2O$ $B$. $2CH_4 + O_2 \xrightarrow[100 \ atm]{Cu/523 \ K} 2CH_3OH$ $C$. $CH_4 + O_2 \xrightarrow[\Delta]{Mo_2O_3} HCHO + H_2O$ $iii$. $2CH_3OH$ $D$. $CH_3-CH_3 + \frac{3}{2}O_2 \xrightarrow{(CH_3COO)_2Mn} CH_3COOH + H_2O$ $iv$. $HCHO + H_2O$
| Column $I$ | Column $II$ |
| $A$. $(CH_3)_3CH + O_2 \xrightarrow{KMnO_4} (CH_3)_3COH$ | $i$. $CH_3COOH + H_2O$ |
| $B$. $2CH_4 + O_2 \xrightarrow[100 \ atm]{Cu/523 \ K} 2CH_3OH$ | |
| $C$. $CH_4 + O_2 \xrightarrow[\Delta]{Mo_2O_3} HCHO + H_2O$ | $iii$. $2CH_3OH$ |
| $D$. $CH_3-CH_3 + \frac{3}{2}O_2 \xrightarrow{(CH_3COO)_2Mn} CH_3COOH + H_2O$ | $iv$. $HCHO + H_2O$ |
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